Mathematics, 13.03.2020 17:26 djcloverman1905
A 95% confidence interval for the average salary of all CEOs in the electronics industry wasconstructed using the results of a random survey of 45 CEOs. The interval was ($97,911, $110,014).To make more useful inferences from the data, it is desired to reduce the width of the confidenceinterval.
Which of the following will result in a reduced interval width?3
A) Increase the sample size and increase the confidence level.
B) Decrease the sample size and increase the confidence level.
C) Decrease the sample size and decrease the confidence level.
D) Increase the sample size and decrease the confidence level
Answers: 2
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A 95% confidence interval for the average salary of all CEOs in the electronics industry wasconstruc...
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